Plate XXII. 



Fig 80. Halecium washingtoni. 



A. Natural size. 



B. Portion of stem showing mode of branching. 



C. D. Gonangia (After Nutting). 



Fig 81. Halecium wilsoni. 



A. Natural size. 



B. Portion of primary branch showing mode ol branching and gonophores. 



Fig. 82. Ophiodes gracilis. 



A. Natural size. 



B. C. Portions of stems showing branching and tentacular organs. 



D. Hydrotheca with pedicel attached to stolon. 



Fig. 83. Filellum serpens 



A. Natural size. 



B. Coppinia mass natural size. 



C. Hydrothecae growing from stolon. 



D. Hydrotheca attached to an Abietinarian hydrotheca. 



E. Coppinia mass. 



Fig 84 Grammaria abietina. 



A. Natural size. 



B. Portion of fascicled stem showing hydrothecae 



C. Coppinia mass (After Bonnevie). 



